has role has role organooxygen compound cannabinoid receptor agonist cannabinoid chebi_ontology CHEBI:67194 cannabinoids A diverse group of pharmacologically active secondary metabolite characteristic to <em>Cannabis</em> plant as well as produced naturally in the body by humans and animals. Cannabinoids contain oxygen as a part of the heterocyclic ring or in the form of various functional groups. They are subdivided on the basis of their origin.